Dating black glass bottles 575 sulinksdating
Looking at the two options under Question #8, it is clear (no pun intended) that this bottle matches refinement #2 which makes it highly probable that this bottle dates after 1920 and but probably no later than the 1960s.We now have refined the bottle age range a bit more - between about 19.
This site contains very limited information on specific companies that utilized bottles; such information is impossibly beyond the scope of this (or any) site (or book).
covers Applied Color Labels (ACL) which this bottle does have.
A close-up of this bottle's ACL is actually shown under Question #13 on the Dating page.
That company's marks are probably the most commonly encountered U. makers marks on bottles made in the 20th century (Lockhart & Hoenig 2018t & 2018u).
deals primarily with cork versus screw top closures.So at this point we know that this bottle was made in 1946.